<template>
  <div class="app-container">
    <div class="search-container">
      <el-form ref="queryFormRef" :model="queryParams" :inline="true">
        <el-form-item label="关键字" prop="keywords">
          <el-input
              v-model="queryParams.keywords"
              placeholder="部门名称"
              @keyup.enter="handleQuery"
          />
        </el-form-item>

        <el-form-item label="部门状态" prop="status">
          <el-select
              v-model="queryParams.status"
              placeholder="全部"
              clearable
              class="!w-[100px]"
          >
            <el-option :value="1" label="正常"/>
            <el-option :value="0" label="禁用"/>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button class="filter-item" type="primary" @click="handleQuery">
            <i-ep-search/>
            搜索
          </el-button>
          <el-button @click="handleResetQuery">
            <i-ep-refresh/>
            重置
          </el-button>
        </el-form-item>
      </el-form>
    </div>

    <el-card shadow="never" class="table-container">
      <template #header>
        <el-button
            v-hasPerm="['sys:dept:add']"
            type="success"
            @click="openDialog(0, undefined)"
        >
          <i-ep-plus/>
          新增
        </el-button
        >
        <el-button
            v-hasPerm="['sys:dept:delete']"
            type="danger"
            :disabled="ids.length === 0"
            @click="handleDelete()"
        >
          <i-ep-delete/>
          删除
        </el-button>
      </template>

      <el-table
          v-loading="loading"
          :data="deptList"
          row-key="id"
          default-expand-all
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
          @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center"/>
        <el-table-column prop="name" label="部门名称" min-width="200"/>
        <el-table-column prop="status" label="状态" width="100">
          <template #default="scope">
            <el-tag v-if="scope.row.status == 1" type="success">正常</el-tag>
            <el-tag v-else type="info">禁用</el-tag>
          </template>
        </el-table-column>

        <el-table-column prop="sort" label="排序" width="100"/>

        <el-table-column label="操作" fixed="right" align="left" width="200">
          <template #default="scope">
            <el-button
                v-hasPerm="['sys:dept:add']"
                type="primary"
                link
                size="small"
                @click.stop="openDialog(scope.row.id, undefined)"
            >
              <i-ep-plus/>
              新增
            </el-button>
            <el-button
                v-hasPerm="['sys:dept:edit']"
                type="primary"
                link
                size="small"
                @click.stop="openDialog(scope.row.parentId, scope.row)"
            >
              <i-ep-edit/>
              编辑
            </el-button>
            <el-button
                v-hasPerm="['sys:dept:delete']"
                type="danger"
                link
                size="small"
                @click.stop="handleDelete(scope.row.id)"
            >
              <i-ep-delete/>
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <el-dialog
        v-model="dialog.visible"
        :title="dialog.title"
        width="600px"
        @closed="closeDialog"
    >
      <el-form
          ref="deptFormRef"
          :model="formData"
          :rules="rules"
          label-width="80px"
      >
        <el-form-item label="上级部门" prop="parentId">
          <el-tree-select
              v-model="formData.parentId"
              placeholder="选择上级部门"
              :data="deptOptions"
              filterable
              check-strictly
              :render-after-expand="false"
          />
        </el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入部门名称"/>
        </el-form-item>
        <el-form-item label="显示排序" prop="sort">
          <el-input-number
              v-model="formData.sort"
              controls-position="right"
              style="width: 100px"
              :min="0"
          />
        </el-form-item>
        <el-form-item label="部门状态">
          <el-radio-group v-model="formData.status">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit"> 确 定</el-button>
          <el-button @click="closeDialog"> 取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
defineOptions({
  name: "Dept",
  inheritAttrs: false,
});

import DeptAPI from "@/api/dept";
import {DeptVO, DeptForm, DeptQuery} from "@/api/dept/model";

const queryFormRef = ref(ElForm);
const deptFormRef = ref(ElForm);

const loading = ref(false);
const ids = ref<number[]>([]);
const dialog = reactive({
  title: "",
  visible: false,
});

const queryParams = reactive<DeptQuery>({});
const deptList = ref<DeptVO[]>();

const deptOptions = ref<OptionType[]>();

const formData = reactive<DeptForm>({
  status: 1,
  parentId: 0,
  sort: 1,
});

const rules = reactive({
  parentId: [{required: true, message: "上级部门不能为空", trigger: "blur"}],
  name: [{required: true, message: "部门名称不能为空", trigger: "blur"}],
  sort: [{required: true, message: "显示排序不能为空", trigger: "blur"}],
});

/** 查询 */
function handleQuery() {
  loading.value = true;
  DeptAPI.getTree(queryParams).then((response) => {
    let data = response.data
    deptList.value = data;
    loading.value = false;
  });
}

/**重置查询 */
function handleResetQuery() {
  queryFormRef.value.resetFields();
  handleQuery();
}

/** 行复选框选中记录选中ID集合 */
function handleSelectionChange(selection: any) {
  ids.value = selection.map((item: any) => item.id);
}

/** 获取部门下拉数据  */
async function loadDeptOptions() {
  DeptAPI.getOptions().then((response) => {
    deptOptions.value = [
      {
        value: 0,
        label: "顶级部门",
        children: response.data,
      },
    ];
  });
}

/**
 * 打开弹窗
 *
 * @param parentId 父部门ID
 * @param deptId 部门ID
 */
async function openDialog(parentId?: number, row?: any) {
  await loadDeptOptions();
  dialog.visible = true;
  if (row && row.id) {
    dialog.title = "修改部门";
    setTimeout(() => {
      Object.assign(formData, row);
    });
  } else {
    dialog.title = "新增部门";
    formData.parentId = parentId ?? 0;
  }
}

/** 表单提交 */
function handleSubmit() {
  deptFormRef.value.validate((valid: any) => {
    if (valid) {
      const deptId = formData.id;
      loading.value = true;
      if (deptId) {
        DeptAPI.update(formData)
            .then((response) => {
              if (response.status) {
                ElMessage.success("修改成功");
              }
              closeDialog();
              handleQuery();
            })
            .finally(() => (loading.value = false));
      } else {
        DeptAPI.add(formData)
            .then((response) => {
              if (response.status) {
                ElMessage.success("新增成功");
              }
              closeDialog();
              handleQuery();
            })
            .finally(() => (loading.value = false));
      }
    }
  });
}

/** 删除部门 */
function handleDelete(deptId?: number) {
  const deptIds = [deptId || ids.value].join(",");

  if (!deptIds) {
    ElMessage.warning("请勾选删除项");
    return;
  }

  ElMessageBox.confirm(`确认删除已选中的数据项?`, "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(() => {
    DeptAPI.deleteByIds(deptIds).then((response) => {
      if (response.status) {
        ElMessage.success("删除成功");
      }
      handleResetQuery();
    });
  });
}

/** 关闭弹窗 */
function closeDialog() {
  dialog.visible = false;
  resetForm();
}

/** 重置表单  */
function resetForm() {
  deptFormRef.value.resetFields();
  deptFormRef.value.clearValidate();

  formData.id = undefined;
  formData.parentId = 0;
  formData.status = 1;
  formData.sort = 1;
}

onMounted(() => {
  handleQuery();
});
</script>
